Class ClickForMarker

folium/features.py:1803–1848

When one clicks on a Map that contains a ClickForMarker, a Marker is created at the pointer's position. Parameters ---------- popup: str or IFrame or Html, default None Text to display in the markers' popups. This can also be an Element like IFrame or Html.

class ClickForMarker(MacroElement):
    """
    When one clicks on a Map that contains a ClickForMarker,
    a Marker is created at the pointer's position.

    Parameters
    ----------
    popup: str or IFrame or Html, default None
        Text to display in the markers' popups.
        This can also be an Element like IFrame or Html.
        If None, the popups will display the marker's latitude and longitude.
        You can include the latitude and longitude with ${lat} and ${lng}.


    Examples
    --------
    >>> ClickForMarker("<b>Lat:</b> ${lat}<br /><b>Lon:</b> ${lng}")

    """

    _template = Template(
        """
            {% macro script(this, kwargs) %}
                function newMarker(e){
                    var new_mark = L.marker().setLatLng(e.latlng).addTo({{this._parent.get_name()}});
                    new_mark.dragging.enable();
                    new_mark.on('dblclick', function(e){ {{this._parent.get_name()}}.removeLayer(e.target)})
                    var lat = e.latlng.lat.toFixed(4),
                       lng = e.latlng.lng.toFixed(4);
                    new_mark.bindPopup({{ this.popup }});
                    };
                {{this._parent.get_name()}}.on('click', newMarker);
            {% endmacro %}
            """
    )  # noqa

    def __init__(self, popup: Union[IFrame, Html, str, None] = None):
        super().__init__()
        self._name = "ClickForMarker"

        if isinstance(popup, Element):
            popup = popup.render()
        if popup:
            self.popup = "`" + escape_backticks(popup) + "`"  # type: ignore
        else:
            self.popup = '"Latitude: " + lat + "<br>Longitude: " + lng '


class ClickForLatLng(MacroElement):